[2] Xiao Y, Brunet F, Kanskar M, et al. 1-kilowatt CW all-fiber laser oscillator pumped with wavelength-beam-combined diode stacks[J]. Optics Express, 20, 3296-3301(2012).

[3] O’Conn M. High power fiber lasers f defense applications[C]Proceedings of Fiber Laser Applications 2012. San Diego: Optical Society of America, 2012: FW3C. 1.

[4] Wu Caiyuan. High power doubleclad fiber lasers their applications[D]. Xiamen: Xiamen University, 2009

[6] Tyagi V V, Buddhi D, Kothari R, et al. Phase change material (PCM) based thermal management system for cool energy storage application in building: an experimental study[J]. Energy and Buildings, 51, 248-254(2012).

[7] Ge Haoshan, Li Haiyan, Mei Shengfu, et al. Low melting point liquid metal as a new class of phase change material: an emerging frontier in energy area[J]. Renewable and Sustainable Energy Reviews, 21, 331-346(2013).

[9] Wu Zhijian. Research of phasechange cooling applied on laser mirr[D]. Dalian: Dalian Maritime University, 2003

[10] Zhang Lin. Research on the thermal control technology f high power fiber laser[D]. Taiyuan: Nth University of China, 2016

[13] Liu Yan, Zhu Chen, Zhang Liming, et al. Phase change direct cooling high power fiber laser[J]. Laser ＆ Infrared, 2019, 49(12): 14251430